SK-6256 is an older model of the 1-Step Metric Conversion Calculator that has been replaced by SK-6258.

Major Features Removed In SK-6258:

  • Blue color is no longer available

Major Features Added In SK-6258:

  • Custom Specific Gravity Constant for Weight/Volume/Cubic conversions
  • Weight/Volume/Cubic conversion with, or without, pressing a transfer key
  • Decimal/Fraction conversion without pressing =
  • Uses 1 Battery instead of 2
  • A battery-only model designed for imprinting has been added featuring black color and additional imprinting areas on the front of the case and in place of the solar panel area